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CVE-2026-27221

Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to spoof the identity of a signer. Exploitation of this issue requires user interaction.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d3e0fca5e95cf5891a56ee6879aa50c8b1e453c86ac5bf26f26ec2b15a9a0c3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Acrobat Reader","vendor":"Adobe","versions":[{"lessThanOrEqual":"25.001.21265","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5e6b6865cb4af685798d859d034875b5ce46644e33fd9af80162149078d3a406 · sha256:b05e488dcddee1df… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","availabilityRequirement":"NOT_DEFINED","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","confidentialityRequirement":"NOT_DEFINED","environmentalScore":5.5,"environmentalSeverity":"MEDIUM","exploitCodeMaturity":"NOT_DEFINED","integrityImpact":"HIGH","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"LOW","modifiedAttackVector":"LOCAL","modifiedAvailabilityImpact":"NONE","modifiedConfidentialityImpact":"NONE","modifiedIntegrityImpact":"HIGH","modifiedPrivilegesRequired":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5e6b6865cb4af685798d859d034875b5ce46644e33fd9af80162149078d3a406 · sha256:b05e488dcddee1df… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-295","description":"Improper Certificate Validation (CWE-295)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5e6b6865cb4af685798d859d034875b5ce46644e33fd9af80162149078d3a406 · sha256:b05e488dcddee1df… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://helpx.adobe.com/security/products/acrobat/apsb26-26.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e6b6865cb4af685798d859d034875b5ce46644e33fd9af80162149078d3a406 · sha256:b05e488dcddee1df… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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